CN113110380B - M6 mode friend or foe identification equipment comprehensive test system - Google Patents
M6 mode friend or foe identification equipment comprehensive test system Download PDFInfo
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- CN113110380B CN113110380B CN202110353431.6A CN202110353431A CN113110380B CN 113110380 B CN113110380 B CN 113110380B CN 202110353431 A CN202110353431 A CN 202110353431A CN 113110380 B CN113110380 B CN 113110380B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0256—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults injecting test signals and analyzing monitored process response, e.g. injecting the test signal while interrupting the normal operation of the monitored system; superimposing the test signal onto a control signal during normal operation of the monitored system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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Abstract
The invention discloses an M6 mode friend or foe identification equipment comprehensive test system, which comprises a comprehensive test device and an upper computer, wherein the comprehensive test device comprises a control unit, a coding and decoding unit, a data acquisition unit and a comparison detection unit; the upper computer is used for determining country information and a test state selected by a user and generating a test key according to the test state; the control unit is used for loading country information, a test state and a test key from an upper computer; the data acquisition unit is used for sampling TTL signals of the tested equipment and acquiring technical parameters of the tested equipment; the coding and decoding unit is used for performing inquiry test coding or response test coding by using the test key according to the technical parameters, the test state and the country information of the tested equipment, generating an inquiry test coding signal or a response test coding signal and sending the inquiry test coding signal or the response test coding signal to the tested equipment, decoding the coding information to generate a decoding signal and simultaneously generating a standard signal. The invention can carry out compatibility test on M6 mode friend or foe identification equipment in different countries.
Description
Technical Field
The invention relates to the technical field of friend or foe identification, in particular to an M6 mode friend or foe identification equipment comprehensive test system.
Background
The identification system of the enemy and my people appears in the initial stage of world war II, and along with the unprecedented improvement and the continuous enhancement of destructive power of weapon hitting precision in modern war, the development of the identification system of the enemy and my people is more and more emphasized.
The M6 secret mode is an IFF friend or foe identification mode adopted by most countries, and in order to meet the requirement of single-function or complete machine performance test of M6 modes of different nations, a test device which is convenient for research and development or production debugging needs to be developed to test M6 mode friend or foe identification equipment. However, the current test instruments suffer from the following disadvantages:
1: the test function is single. Generally, the M6 function check needs to be verified together with the host, and the mode can only carry out the function check and cannot realize the test of the baseband signal, the receiving sensitivity and the decoding sensitivity of the M6 mode friend or foe identification device.
2: the compatibility of the test equipment is poor. At present, the countries adopting the M6 security mode are more, and the test equipment between different countries cannot be intercommunicated. In the scientific research or production process, in order to test M6 mode friend or foe identification equipment of different countries, test equipment of corresponding countries is required to be used for testing, but the idle condition of the test equipment often appears when too many test equipment of different countries are produced, and the operating cost is occupied.
3: the test cost is high, and the efficiency is low. When the test equipment works, the test equipment of the corresponding country is needed, and the additional instruments, meters, cables and the like which are needed when the matched equipment works can normally work, so that the operation is complex, the cost is high, and the efficiency is low.
Disclosure of Invention
The invention aims to provide an M6 mode friend or foe identification equipment comprehensive test system which can carry out compatibility test on M6 mode friend or foe identification equipment in different countries.
In order to solve the technical problems, the invention adopts a technical scheme that: the comprehensive testing system of the M6 mode friend or foe identification equipment comprises a comprehensive testing device and an upper computer, wherein the comprehensive testing device comprises a control unit, a coding and decoding unit, a data acquisition unit and a comparison detection unit, the comprehensive testing device is connected with the upper computer through an RS232 control command interface, and the comprehensive testing device is connected with tested equipment in an M6 mode through a discrete signal interface;
the upper computer is used for determining country information and a test state selected by a user and generating a test key according to the test state, wherein the test state comprises an inquiry state, a response state, an emergency state and a side lobe suppression state;
the control unit is used for loading country information, a test state and a test key from the upper computer and sending the country information, the test state and the test key to the coding and decoding unit;
the data acquisition unit is used for sampling TTL signals of the equipment to be tested and acquiring technical parameters of the equipment to be tested according to waveform characteristic values of the TTL signals;
the coding and decoding unit is used for carrying out inquiry test coding or response test coding by using a test key according to technical parameters, test states and country information of the tested equipment, generating an inquiry test coding signal or a response test coding signal and sending the inquiry test coding signal or the response test coding signal to the tested equipment, decoding the coding information sent by the tested equipment by using the test key to generate a decoding signal, and generating a standard signal for baseband detection;
and the comparison detection unit is used for comparing the waveforms of the decoding signal and the standard signal and outputting a comparison result to the upper computer.
Preferably, the integrated test device further comprises a status indication unit, and the status indication unit is configured to indicate a current test status and indicate after generating the decoding signal.
Preferably, the comprehensive test device further comprises a power supply unit, and the power supply unit is used for converting the direct current input voltage into a plurality of groups of voltages to supply power to the comprehensive test device.
Preferably, the plurality of sets of voltages includes +5V, +3.3V, +2.5V, +1.8V, + 1.2V.
Preferably, the power supply unit is a DC/DC conversion circuit.
Preferably, the integrated test device further comprises a test accessory, and the test accessory is used for carrying out interface compatibility on the integrated test device and the tested device.
Preferably, the control unit loads, stores, calculates and clears the test key through the ARM processor, and records country information.
Preferably, the coding and decoding unit performs inquiry test coding, response test coding and decoding through the FPGA processor.
Preferably, the comparison detection unit is an oscilloscope.
Different from the prior art, the invention has the beneficial effects that:
1. the test condition is provided for scientific research, production and debugging of the inquiry machine, the answering machine and the single module in different countries, the development progress is ensured, the current situation that the test excessively depends on other host machines or matched equipment for verification is avoided, and the operation cost is greatly reduced.
2. The defect of single function or complete machine performance test in the past is overcome, the key effect is played in the scientific research and production links of the product, the working efficiency is obviously improved, the product quality is also ensured, and the scientific research and production cost is saved.
3. Due to the fact that the device has the functions of inquiring and responding and the compatibility capability of testing M6 mode friend or foe identification equipment of different countries, guiding significance is provided for design of the M6 module, and the device has important significance for reducing repeated design, shortening production period and responding to market demands quickly.
Drawings
Fig. 1 is a schematic diagram of the composition of an M6 mode friend or foe identification equipment comprehensive test system according to an embodiment of the invention.
Fig. 2 is a schematic diagram of a control interface provided by an upper computer of the M6 mode friend or foe identification equipment integrated test system.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a schematic diagram of a comprehensive test system of M6 mode friend or foe identification equipment is shown. The M6 mode friend or foe identification equipment comprehensive test system comprises a comprehensive test device 10 and an upper computer 20, wherein the comprehensive test device 10 comprises a control unit 11, a coding and decoding unit 12, a data acquisition unit 13 and a comparison detection unit 14, the comprehensive test device 10 is connected with the upper computer 20 through an RS232 control command interface, and the comprehensive test device 10 is connected with tested equipment 30 in an M6 mode through a discrete signal interface. The discrete signal interface can complete communication between the integrated test apparatus 10 and the device under test 30, and perform conversion between signal levels.
The upper computer 20 is configured to determine country information selected by the user, a test state, and generate a test key according to the test state, where the test state includes an inquiry state, a response state, an emergency state, and a side lobe suppression state. The upper computer 20 can run upper computer software, the upper computer software provides an intuitive control interface for a test user, the test user can select country information and a test state through the control interface, and the upper computer software generates a test key according to the test state. In one application scenario, the control interface of the upper computer software is shown in fig. 2.
The control unit 11 is configured to load country information, a test status, and a test key from the upper computer 20, and send the country information, the test status, and the test key to the encoding and decoding unit 12. The control unit 11 can load, store, calculate and clear the test key through the ARM processor, and record country information.
The data acquisition unit 13 is configured to sample a TTL signal of the device under test 30, and acquire technical parameters of the device under test 30 according to a waveform characteristic value of the TTL signal.
The encoding and decoding unit 12 is configured to perform an inquiry test encoding or a response test encoding by using a test key according to technical parameters, a test state, and country information of the device under test 30, generate an inquiry test encoding signal or a response test encoding signal, send the inquiry test encoding signal or the response test encoding signal to the device under test 30, decode the encoding information sent by the device under test 30 by using the test key to generate a decoding signal, and generate a standard signal for baseband detection. The encoding and decoding unit 12 can perform inquiry test encoding, response test encoding and decoding through the FPGA processor.
The comparison detection unit 14 is used for comparing the waveform of the decoded signal with that of the standard signal and outputting a comparison result to the upper computer. In the present embodiment, the comparison detection unit 14 is an oscilloscope.
In order to visually display the test result, in the present embodiment, the integrated test apparatus 10 further includes a status indication unit 15, and the status indication unit 15 is configured to indicate the current test status and to indicate the current test status after generating the decoding signal. The status indication unit 15 may indicate by an indicator lamp.
For convenience of power supply, in the present embodiment, the integrated test device 10 further includes a power supply unit 16, and the power supply unit 16 is configured to convert the dc input voltage into a plurality of sets of voltages to supply power to the integrated test device.
For example, the plurality of sets of voltages include +5V, +3.3V, +2.5V, +1.8V, + 1.2V.
The power supply unit 16 may be a DC/DC conversion circuit.
In many test applications, there are many types of devices under test, and there are differences in external connection interfaces of the devices under test, in this embodiment, the comprehensive test apparatus 10 further includes a test accessory 17, and the test accessory 17 is used for making the comprehensive test apparatus 10 interface compatible with the device under test 30.
The single-function module testing process of the comprehensive testing system comprises the following steps:
(1) parameter setting
a. Configuration of country information:
during operation, the RS232 control command interface is used for connecting the comprehensive test device 10 and the upper computer 20, and a test user selects country information on the upper computer 20 according to the country information corresponding to the tested device 30.
b. And (3) testing key configuration:
during operation, a test user selects a test state according to a requirement, the test state is selected on the upper computer 20, and the upper computer 20 generates a test key according to the test state.
(2) Baseband testing and functional testing
a. Connecting the comprehensive test device 10 and the tested device 30 by using a discrete signal interface;
b. the user turns on the test switch of the integrated test apparatus 10;
c. the comparison detection unit 14 compares the decoded signal with the standard signal in terms of waveform, and sends the result to the host computer 20
And outputting a comparison result, and if the comparison result is consistent, indicating that the baseband signal output of the tested device 30 is normal.
The overall function and performance test flow of the comprehensive test system is as follows:
(1) parameter setting
a. Configuration of country information:
during operation, the RS232 control command interface is used for connecting the comprehensive test device 10 and the upper computer 20, and a test user selects country information on the upper computer 20 according to the country information corresponding to the tested device 30.
b. And (3) testing key configuration:
during operation, a test user selects a test state according to a requirement, the test state is selected on the upper computer 20, and the upper computer 20 generates a test key according to the test state.
(2) Complete machine function test
a. The integrated test apparatus 10 and the device under test 30 are connected with discrete signal interfaces.
b. The user turns on the test switch of the integrated test apparatus 10;
c. and observing the indicator light of the decoding signal of the state indicating unit 15, if the indicator light is turned on by green light, the complete machine function test of the tested device 30 is passed, and if the indicator light is turned on by red light, the complete machine function test of the tested device 30 is failed.
(3) Test of the complete machine performance
a. Connecting the comprehensive test device 10 and the tested device 30 by using a discrete signal interface;
b. the user turns on the test switch of the integrated test apparatus 10;
c. according to the signal intensity output by the special test equipment for the external navigation management, the performance indexes such as the receiving sensitivity, the decoding sensitivity and the like of the tested equipment 30 are tested.
Through the mode, the M6 mode friend or foe identification equipment comprehensive test system provided by the embodiment of the invention can carry out compatibility test on M6 mode friend or foe identification equipment in different countries through the cooperation of the comprehensive test device and the upper computer, and has the following characteristics:
a) aiming at the problem that the existing M6 mode test equipment does not have the functions of testing the receiving sensitivity and the decoding sensitivity of M6 inquiry or response equipment, the invention solves the problems of testing the baseband signal, the function and the performance of a single-function module, and can also be combined with the existing special test equipment for navigation management to finish the test of the receiving sensitivity and the decoding sensitivity of an inquiry machine or a response machine with the M6 function and the verification of a function joint test;
b) aiming at the fact that M6 inquiry response devices of different countries are different at present, and special test devices of matched M6 inquiry response devices are different due to different countries, the production test cost and the maintenance cost of an external factory are greatly increased, and the compatibility test requirements of the functions and the performances of M6 inquiry response devices of different countries are met;
c) aiming at the problems that the existing equipment with the joint test function needs to be matched with instruments, meters, equipment, cables and the like during working, the test is complex, the efficiency is low, and the cost is high, the invention tests the M6 inquiry response equipment, and after the interfaces of the equipment are connected, the equipment can work independently, the operation is convenient, the test efficiency of the M6 inquiry response equipment is obviously improved, and the scientific research and production cost is reduced.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (9)
1. The comprehensive testing system of the M6 mode friend or foe identification equipment is characterized by comprising a comprehensive testing device and an upper computer, wherein the comprehensive testing device comprises a control unit, a coding and decoding unit, a data acquisition unit and a comparison detection unit, the comprehensive testing device is connected with the upper computer through an RS232 control command interface, and the comprehensive testing device is connected with tested equipment in an M6 mode through a discrete signal interface;
the upper computer is used for determining country information and a test state selected by a user and generating a test key according to the test state, wherein the test state comprises an inquiry state, a response state, an emergency state and a side lobe suppression state;
the control unit is used for loading country information, a test state and a test key from the upper computer and sending the country information, the test state and the test key to the coding and decoding unit;
the data acquisition unit is used for sampling TTL signals of the equipment to be tested and acquiring technical parameters of the equipment to be tested according to waveform characteristic values of the TTL signals;
the coding and decoding unit is used for carrying out inquiry test coding or response test coding by using a test key according to technical parameters, test states and country information of the tested equipment, generating an inquiry test coding signal or a response test coding signal and sending the inquiry test coding signal or the response test coding signal to the tested equipment, decoding the coding information sent by the tested equipment by using the test key to generate a decoding signal, and generating a standard signal for baseband detection;
and the comparison detection unit is used for comparing the waveforms of the decoding signal and the standard signal and outputting a comparison result to the upper computer.
2. The M6 mode friend or foe identification equipment integrated test system of claim 1, wherein the integrated test apparatus further comprises a status indication unit for indicating a current test status and indicating upon generation of the decode signal.
3. The M6 mode friend or foe identification equipment integrated test system of claim 1, wherein the integrated test device further comprises a power supply unit configured to convert a dc input voltage into multiple sets of voltages to power the integrated test device.
4. The M6 mode friend or foe identification equipment comprehensive test system of claim 3, wherein the multiple sets of voltages include +5V, +3.3V, +2.5V, +1.8V, + 1.2V.
5. The M6 mode friend or foe identification equipment comprehensive test system of claim 3, wherein the power supply unit is a DC/DC conversion circuit.
6. The M6 mode friend or foe identification equipment integrated test system of claim 1, wherein the integrated test fixture further comprises a test accessory for interfacing the integrated test fixture with a device under test.
7. The M6 mode friend or foe identification equipment integrated test system of claim 1, wherein the control unit loads, stores, computes and clears test keys and records country information through an ARM processor.
8. The M6 mode friend or foe identification equipment integrated test system of claim 1, wherein the codec unit performs inquiry test encoding, response test encoding, and decoding through an FPGA processor.
9. The M6 mode friend or foe identification equipment comprehensive test system of claim 1, wherein the contrast detection unit is an oscilloscope.
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